this is not a critique of a magnificent science and technology to the point of frankly mind-boggling. it is a critique of premature application of this technology, reading too much wedding it can tell us about our mental states, what we want, what we like, what they were going to use, whether we have a guilty state of mind. cannot really do these things because it's already starting to be pressed into service in those arenas. >> host: in the book itself is much different areas to see its problems. what we should talk about his addiction, where you see problems without the results are used to present addiction is a brain disease. >> that is a good place to start because that's the reason my colleague and i wrote this but. the college is a psychologist at emory. about four years ago we were talking, drinking actually. >> host: that's how ideas have been. >> guest: he talked about a release of the mind in the age of science because psychology, which is unfortunately often seen as soft is very hard, very regrettably experimental psychologists pursue it. but it seemed to be getting almost